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Network Protocols and Ports Quiz

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which port is the default for HTTP?

a)

443

b)

80

c)

21

d)

53

2.

SSH typically uses which port?

a)

23

b)

22

c)

25

d)

110

3.

Which protocol is associated with port 53?

a)

FTP

b)

SMTP

c)

DNS

d)

HTTPS

4.

What is the default port for HTTPS?

a)

80

b)

443

c)

8080

d)

8443

5.

Which of the following uses UDP by default for standard queries?

a)

HTTP

b)

SMTP

c)

DNS

d)

FTP

6.

FTP data transfer (active mode) typically uses which port?

a)

20

b)

21

c)

22

d)

23

7.

SMTP is used for:

a)

Receiving email

b)

Sending email

c)

File transfers

d)

Remote desktop access

8.

Which port does POP3 use by default?

a)

25

b)

143

c)

110

d)

995

9.

DHCP clients send requests to which UDP port?

a)

67

b)

68

c)

53

d)

161

10.

Port 3389 is used by which protocol?

a)

SSH

b)

Telnet

c)

RDP (Remote Desktop Protocol)

d)

SNMP

11.

Which of the following is a connectionless transport protocol?

a)

TCP

b)

UDP

c)

HTTP

d)

FTP

12.

IMAP typically uses which port for non-encrypted communication?

a)

25

b)

110

c)

143

d)

993

13.

Which port is commonly used for secure IMAP (IMAPS)?

a)

990

b)

993

c)

465

d)

587

14.

SNMP (Simple Network Management Protocol) typically uses which UDP port?

a)

53

b)

69

c)

161

d)

123

15.

TFTP (Trivial File Transfer Protocol) uses which port and protocol?

a)

TCP 69

b)

UDP 69

c)

UDP 21

d)

TCP 20

16.

Which protocol operates on port 123 and is used for time synchronization?

a)

SIP

b)

NTP

c)

LDAP

d)

RTP

17.

LDAP typically uses which port?

a)

389

b)

389

c)

636

d)

Both A and C

18.

Which of the following ports is used by MySQL by default?

a)

1433

b)

3306

c)

5432

d)

1521

19.

What is the range of well-known ports?

a)

0 – 1023

b)

1024 – 49151

c)

49152 – 65535

d)

1 – 1000

20.

Which protocol uses port 445 for direct host communication over TCP/IP?

a)

FTP

b)

SMB (Server Message Block)

c)

RDP

d)

SNMP